THE FLORA OF THE NORTHERN TERRITORY. 161 



3. SALOMONIA, Lotjr. 



1. S. oblongifolia, D. C. — Recorded in National Herbarium Census from 

 North Australia. 



EUPHORBIACEa;. 



Tribe I. Euphorbiece. — ^Involucre calyx-Uke, includiag several male 

 flowers, each of a single stamen without any perianth, and one central female 

 one, a single pedicellate pistil without any or rarely with a perianth ; the whole 

 flower-head resembling a single flower. Embryo with broad cotyledons and a 

 narrow radicle. — 17. Euphorbia. 



Tribe II. Stenolobece. — ^Flowers distinct, both sexes with a perianth. 

 Embryo linear, the cotyledons not at all or scarcely broader than the radicle. 

 Shrubs often heath-hke, with entire coriaceous leaves, or rarely herbs with 

 small membranous leaves. 



Ovules 2 in each cell. — 18. Poranthera. 



Ovules 1 in each cell. — 19. Ricinocarpus. 



Tribe III. AntidesmecB. — Flowers distinct, both sexes with a perianth. 

 Embryo with broad cotyledons and a narrow radicle. Trees or shrubs, the 

 flowers small in catkin-ijke spikes or racemes. Ovary usually reduced to a 

 single cell with 2 ovules. Styles 3. — 7. Antidesma. 



Tribe IV. Phyllantheoe. — ^Flowers distinct, both sexes with a perianth. 

 Embryo with broad cotyledons and a narrow radicle. Ovules 2 in each ceU. 

 Flowers in axillary clusters or soKtary. 

 Calyx or perianth-lobes imbricate in the bud. 



Petals present at least in the males, sometimes small and gland- 

 like. — 1. Andrachne. 

 No distinct petals. Perianth of 4 to 6 calyx-Uke or petal-hke lobes 

 or segments, aU similar or the inner ones rather larger. 



Stamens 4 or more, ceiitral, free, without any rudimentary pistil. 

 Styles linear, undivided. Leaves opposite. 8. Dissiharia. 



Stamens indefinite in a central column, without any rudirhentary 

 pistil. Stigmas large flat, usually lobed. — 6. Petalostigma. 



Stamens 2 to 5, central, free or united, without any rudi- 

 mentary style. Styles linear or short. 



Perianth-lobes or segments erect or spreading. Styles 



usually lobed. — 3. Phyllanthus. 



Perianth turbinate, the male flat-topped, the small orifice 



closed by minute lobes, the female open, the lobes 



minute or obsolete. Styles usually entire. — 4. Breynia. 



Stamens 4 or 5, surrounding a 2-fid or 3-fid abortive pistil. Styles 



2-fid.— 2. Fluggea. 

 Stamens 5, 6 or more, surrounding a broad central disk. — 5. 

 Hemicycha. 



Calyx-lobes valvate in the bud. Petals present. Stamens 5, on a central 

 column which terminates in an abortive pistil. 



Ovary usually 2-celled. Drupe with 2 indehiscent pjnrenes. Veinlets 



of the leaves transverse between the primary veins. — 10. Bridelia. 



Ovary usually 3-celled. Capsule 3-dymous, separating into 2-valved 



cocci. Veinlets of the leaves reticulate between the primary 



veins. — 9. Cleistanthus. 



